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Finding the Fourth Proportional to 624,149.63, 861,332.72 and 337,675.88

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Solution

The fourth proportional to 624,149.63, 861,332.72 and 337,675.88 is: 465,996.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,149.63 : 861,332.72 = 337,675.88 : x
  2. Step 2: Convert to fraction form
    624,149.63/861,332.72 = 337,675.88/x
  3. Step 3: Cross multiply
    624,149.63x = 861,332.72 × 337,675.88
  4. Step 4: Simplify right side
    624,149.63x = 290,851,278,203.75
  5. Step 5: Solve for x
    x = 290,851,278,203.75/624,149.63
  6. Step 6: Final answer
    x = 465,996.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.